projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| 8d9254fc | 1 | /* Copyright (C) 2014-2020 Free Software Foundation, Inc. |
| b17f08dd RH |
2 | Contributed by Richard Henderson <rth@redhat.com>. |
| 3 | ||
| 4 | This file is part of the GNU Transactional Memory Library (libitm). | |
| 5 | ||
| 6 | Libitm is free software; you can redistribute it and/or modify it | |
| 7 | under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 3 of the License, or | |
| 9 | (at your option) any later version. | |
| 10 | ||
| 11 | Libitm is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
| 13 | FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
| 14 | more details. | |
| 15 | ||
| 16 | Under Section 7 of GPL version 3, you are granted additional | |
| 17 | permissions described in the GCC Runtime Library Exception, version | |
| 18 | 3.1, as published by the Free Software Foundation. | |
| 19 | ||
| 20 | You should have received a copy of the GNU General Public License and | |
| 21 | a copy of the GCC Runtime Library Exception along with this program; | |
| 22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 23 | <http://www.gnu.org/licenses/>. */ | |
| 24 | ||
| 25 | #include "asmcfi.h" | |
| 26 | ||
| 27 | .text | |
| 28 | .align 2 | |
| 29 | .global _ITM_beginTransaction | |
| 30 | .type _ITM_beginTransaction, %function | |
| 31 | ||
| 32 | _ITM_beginTransaction: | |
| 33 | cfi_startproc | |
| 34 | mov x1, sp | |
| 35 | stp x29, x30, [sp, -11*16]! | |
| 36 | cfi_adjust_cfa_offset(11*16) | |
| 37 | cfi_rel_offset(x29, 0) | |
| 38 | cfi_rel_offset(x30, 8) | |
| 39 | mov x29, sp | |
| 40 | stp x19, x20, [sp, 1*16] | |
| 41 | stp x21, x22, [sp, 2*16] | |
| 42 | stp x23, x24, [sp, 3*16] | |
| 43 | stp x25, x26, [sp, 4*16] | |
| 44 | stp x27, x28, [sp, 5*16] | |
| 45 | stp d8, d9, [sp, 6*16] | |
| 46 | stp d10, d11, [sp, 7*16] | |
| 47 | stp d12, d13, [sp, 8*16] | |
| 48 | stp d14, d15, [sp, 9*16] | |
| 49 | str x1, [sp, 10*16] | |
| 50 | ||
| 51 | /* Invoke GTM_begin_transaction with the struct we just built. */ | |
| 52 | mov x1, sp | |
| 53 | bl GTM_begin_transaction | |
| 54 | ||
| 55 | /* Return; we don't need to restore any of the call-saved regs. */ | |
| b6334cf4 | 56 | ldp x29, x30, [sp], 11*16 |
| b17f08dd RH |
57 | cfi_adjust_cfa_offset(-11*16) |
| 58 | cfi_restore(x29) | |
| 59 | cfi_restore(x30) | |
| 60 | ret | |
| 61 | cfi_endproc | |
| 62 | .size _ITM_beginTransaction, . - _ITM_beginTransaction | |
| 63 | ||
| 64 | .align 2 | |
| 65 | .global GTM_longjmp | |
| 66 | .hidden GTM_longjmp | |
| 67 | .type GTM_longjmp, %function | |
| 68 | ||
| 69 | GTM_longjmp: | |
| 70 | /* The first parameter becomes the return value (x0). | |
| 71 | The third parameter is ignored for now. */ | |
| 72 | cfi_startproc | |
| 73 | ldp x19, x20, [x1, 1*16] | |
| 74 | ldp x21, x22, [x1, 2*16] | |
| 75 | ldp x23, x24, [x1, 3*16] | |
| 76 | ldp x25, x26, [x1, 4*16] | |
| 77 | ldp x27, x28, [x1, 5*16] | |
| 78 | ldp d8, d9, [x1, 6*16] | |
| 79 | ldp d10, d11, [x1, 7*16] | |
| 80 | ldp d12, d13, [x1, 8*16] | |
| 81 | ldp d14, d15, [x1, 9*16] | |
| 82 | ldr x3, [x1, 10*16] | |
| 83 | ldp x29, x30, [x1] | |
| 84 | cfi_def_cfa(x1, 0) | |
| 85 | mov sp, x3 | |
| 86 | br x30 | |
| 87 | cfi_endproc | |
| 88 | .size GTM_longjmp, . - GTM_longjmp | |
| 89 | ||
| 90 | #ifdef __linux__ | |
| 91 | .section .note.GNU-stack, "", %progbits | |
| 92 | #endif |